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INTRODUCTION Please read these instructions fully before using the GLD/451plus. The GLD/451plus is powered by two AA batteries. Take care to ensure the batteries are inserted correctly. When replacing batteries please dispose of used batteries in accordance with local regulations.
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If the Red LED is illuminated and the bleeping is continuous before you have pin-pointed the gas leak, you must reset the GLD/451plus in this concentration of gas. To do this switch the GLD/451plus OFF, then back ON and wait for 20 seconds to allow the sensor to reset itself in this concentration of gas.
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Specifications Power Supply : 2 x AA alkaline batteries Sensor : Solid state semi conductor Sensitivity : ~250ppm methane Inidcators : Audible : Variable tic rate Visual : Flashing multicoloured LEDs Warm-up : 20 seconds Response Time : <1 second Duty Cycle : Continuous Battery Life :...